METHOD OF PRODUCING AGGLOMERATE Russian patent published in 2000 - IPC

FIELD: ferrous and nonferrous metallurgy. SUBSTANCE: method comprises filing crushed materials with various content of oxidized iron, neutralizing said materials, mixing with fuel and flux, wetting, placing onto band and sintering. Material with various content of oxidized iron includes concentrate, agglomerated oil, agglomerate siftings and cinder which are piled, ratios with respect to concentrate being (0.0001-0.1):(0.01-0.02):(0.005- 0.03):(0.003-0.05):1, respectively. Chemical composition of 0.10 mm fraction cinder is as follows, wt %: ferrous iron, 5-67; ferric iron, 20-90; silica, 0.2-5.0; manganese oxide, 0.1-1.2; calcium oxide, 0.1-1.5; magnesium oxide, 0.1-1.0, alumina, 0.1-1.3; carbon, 0.05- 1.5; calcination loss, 0.15-2.5. EFFECT: stabilized quality of agglomerate, reduced consumption of coke and greater efficiency of blast furnaces. 2 tbl